Click Create SQL Database.Then you will see the following process.
When the process is completed, you will see your database name in "'all items"' list in management portal. Now your database is created successfully!

Allow your IP address for your client app to connect to the server

Manage firewalls.To allow your client app to connect to your database, you need to add client pc’s IP address to allowed list. To do so -

Click on SQL Databases in management portal. You will see a list of current databases in your Management Portal.

Click on Cars database.

Click on Dashboard in menu.

Click on “Manage allowed IP addresses” link in Quick Glance.

Click on Add to the Allowed IP Address against your current client IP Address

Click on Save button in the bottom bar.

Now you are done managing your database connectivity settings. You can now connect your database to your client app.